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85654 (1998 QU17)
Classification: Main-belt Asteroid          SPK-ID: 2085654
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .161507833324753 4.7611e-08  
a 3.193081925873826 2.6519e-08 au
q 2.677374182397515 1.5844e-07 au
i 5.565671294328872 4.6533e-06 deg
node 295.366097171921 5.1953e-05 deg
peri 62.95405283266609 5.4027e-05 deg
M 205.1801037629701 1.7371e-05 deg
tp 2459496.767792786976
(2021-Oct-09.26779279)
0.00010798 TDB
period 2084.075840674399
5.71
2.5963e-05
7.108e-08
d
yr
n .1727384354129384 2.152e-09 deg/d
Q 3.708789669350138 3.0803e-08 au
  Orbit Determination Parameters
   # obs. used (total)      672  
   data-arc span      9313 days (25.50 yr)  
   first obs. used      1993-11-08  
   last obs. used      2019-05-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55277  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 05:55:49  

Additional Information
 Earth MOID = 1.67837 au 
 Jupiter MOID = 1.78375 au 
 T_jup = 3.168 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.5   n/a MPO436374  
diameter diameter 7.544 km 0.095 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.071   0.014 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

85654 (1998 QU17)          Discovered 1998-Aug-17 by LINEAR at Socorro
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

[ show close-approach data ]
Alternate Designations
 1998 QU17 = 1993 VZ5 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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